| ACHROMATOPSIA | • achromatopsia n. Achromatopia. • ACHROMATOPSIA n. total colour-blindness, where only white, grey and black are visible.
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| ARCHAEOBOTANY | • archaeobotany n. (Archaeology) Paleoethnobotany. • archæobotany n. Alternative form of archaeobotany.
 • ARCHAEOBOTANY n. the analysis and interpretation of plant remains found at archaeological sites, also ARCHEOBOTANY.
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| ARITHMOMANIAS | • arithmomanias n. Plural of arithmomania. • ARITHMOMANIA n. an obsession with numbers, esp. compulsion to count things.
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| ASTRAPOPHOBIA | • astrapophobia n. Astraphobia. • ASTRAPOPHOBIA n. a morbid fear of thunder and lightning, also ASTRAPHOBIA, ASTROPHOBIA.
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| AUTHORITARIAN | • authoritarian adj. Of, or relating to, or exhibiting strict obedience to an authority; favoring authoritarianism over civic… • authoritarian adj. Demanding obedience to authority; marked by authoritarianism; dictatorial, tyrannical.
 • authoritarian adj. Tending to impose one’s demands upon others as if one were an authority.
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| AUTOGRAPHICAL | • autographical adj. Relating to an autograph, or one’s own handwriting. • autographical adj. Relating to, or used in, the process of autography.
 • AUTOGRAPHICAL adj. of, relating to, or constituting an autograph, also AUTOGRAPHIC.
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| GALACTORRHEAS | • galactorrheas n. Plural of galactorrhea. • GALACTORRHEA n. a too abundant flow of milk, also GALACTORRHOEA.
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| GALACTORRHOEA | • galactorrhoea n. (British spelling) Alternative spelling of galactorrhea. • galactorrhœa n. Alternative spelling of galactorrhea.
 • GALACTORRHOEA n. a too abundant flow of milk, also GALACTORRHEA.
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| HYPONATRAEMIA | • hyponatraemia n. Alternative spelling of hyponatremia. • hyponatræmia n. Alternative form of hyponatraemia.
 • HYPONATRAEMIA n. deficiency of sodium in the blood.
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| KATHAREVOUSAS | • KATHAREVOUSA n. a formal archaizing written form of Modern Greek, based on Ancient Greek. | 
| PHANTASMAGORY | • phantasmagory n. Phantasmagoria. • PHANTASMAGORY n. a fantastic sequence of haphazardly associative imagery, as seen in dreams or fever, also PHANTASMAGORIA.
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| RHABDOMYOMATA | • rhabdomyomata n. Plural of rhabdomyoma. • RHABDOMYOMA n. a tumour of striated muscle.
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| THALAMIFLORAL | • thalamifloral adj. (Botany) Bearing the stamens directly on the receptacle. • THALAMIFLORAL adj. having petals free and stamens hypogynous.
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| THALASSOCRACY | • thalassocracy n. A state whose power derives from its naval or commercial supremacy on the seas. • thalassocracy n. Maritime supremacy.
 • THALASSOCRACY n. sovereignty of the seas, also THALATTOCRACY.
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| THALASSOCRATS | • thalassocrats n. Plural of thalassocrat. • THALASSOCRAT n. one who has maritime supremacy.
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| THALATTOCRACY | • thalattocracy n. (Rare) Thalassocracy. • THALATTOCRACY n. sovereignty of the seas, also THALASSOCRACY.
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| THANATOGRAPHY | • thanatography n. An account, usually written, of the death of a person. • THANATOGRAPHY n. the narrative of a death.
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| THAUMATOLATRY | • thaumatolatry n. (Rare, obsolete) Worship or undue admiration of wonderful or miraculous things. • THAUMATOLATRY n. the worship of miracles or wonders.
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| THEATROMANIAS | • THEATROMANIA n. a craze for going to plays. | 
| ULTRAMARATHON | • ultramarathon n. A running race over a distance longer than 42.195 km, the length of a standard marathon. • ULTRAMARATHON n. a footrace longer than a marathon.
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